Around 5 this morning UK time my app started reporting DeadlineExceededError
on even very simple tasks such as writing a few counters to the data store.
1. 2013-10-16 16:59:04.593
Exception sending Rollback:
Traceback (most recent call last):
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/datastore.py",
line 2644, in _DoOneTry
_GetConnection().rollback()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 2125, in rollback
rpc = self.async_rollback(None)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 2140, in async_rollback
transaction = self._end_transaction()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 2069, in _end_transaction
transaction = self.transaction
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 2024, in transaction
self.__transaction = self.__transaction_rpc.get_result()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py",
line 612, in get_result
return self.__get_result_hook(self)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 1723, in __begin_transaction_hook
self.check_rpc_success(rpc)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 1234, in check_rpc_success
rpc.check_success()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py",
line 578, in check_success
self.__rpc.CheckSuccess()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/apiproxy_rpc.py",
line 133, in CheckSuccess
raise self.exception
DeadlineExceededError: The API call datastore_v3.BeginTransaction() took too
long to respond and was cancelled.
2. E2013-10-16 16:59:04.597
The API call datastore_v3.BeginTransaction() took too long to respond and
was cancelled.
Traceback (most recent call last):
File
"/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py",
line 1511, in __call__
rv = self.handle_exception(request, response, e)
File
"/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py",
line 1505, in __call__
rv = self.router.dispatch(request, response)
File
"/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py",
line 1253, in default_dispatcher
return route.handler_adapter(request, response)
File
"/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py",
line 1077, in __call__
return handler.dispatch()
File
"/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py",
line 547, in dispatch
return self.handle_exception(e, self.app.debug)
File
"/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.3/webapp2.py",
line 545, in dispatch
return method(*args, **kwargs)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/ext/deferred/deferred.py",
line 309, in post
self.run_from_request()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/ext/deferred/deferred.py",
line 304, in run_from_request
run(self.request.body)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/ext/deferred/deferred.py",
line 146, in run
return func(*args, **kwds)
File
"/base/data/home/apps/s~dm-adept-dev/1.370958418031865357/accounting/__init__.py",
line 188, in write_counters
QuotaUsage.write_quotas(date.today(), ns, counters)
File
"/base/data/home/apps/s~dm-adept-dev/1.370958418031865357/accounting/__init__.py",
line 97, in write_quotas
_tx()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/datastore.py",
line 2722, in inner_wrapper
return RunInTransactionOptions(options, func, *args, **kwds)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/datastore.py",
line 2620, in RunInTransactionOptions
ok, result = _DoOneTry(function, args, kwargs)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/datastore.py",
line 2640, in _DoOneTry
result = function(*args, **kwargs)
File
"/base/data/home/apps/s~dm-adept-dev/1.370958418031865357/accounting/__init__.py",
line 85, in _tx
quotas = cls.get_by_key_name(key_name)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/ext/db/__init__.py",
line 1275, in get_by_key_name
return get(keys[0], **kwargs)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/ext/db/__init__.py",
line 1533, in get
return get_async(keys, **kwargs).get_result()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/ext/db/__init__.py",
line 1511, in get_async
return datastore.GetAsync(keys, extra_hook=extra_hook, **kwargs)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/datastore.py",
line 626, in GetAsync
return _GetConnection().async_get(config, keys, local_extra_hook)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 1443, in async_get
return make_get_call(base_req, pbs, extra_hook)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 1432, in make_get_call
self._set_request_transaction(req)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 2044, in _set_request_transaction
transaction = self.transaction
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 2024, in transaction
self.__transaction = self.__transaction_rpc.get_result()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py",
line 612, in get_result
return self.__get_result_hook(self)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 1723, in __begin_transaction_hook
self.check_rpc_success(rpc)
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/datastore/datastore_rpc.py",
line 1234, in check_rpc_success
rpc.check_success()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/apiproxy_stub_map.py",
line 578, in check_success
self.__rpc.CheckSuccess()
File
"/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/apiproxy_rpc.py",
line 133, in CheckSuccess
raise self.exception
DeadlineExceededError: The API call datastore_v3.BeginTransaction() took too
long to respond and was cancelled.
I have another copy of this app running identical code with no problems at
all. Does anyone have any ideas as to how I get this resolved? By the way,
this has run for a year or more with no issues. I have checked the quota
limits and everything is OK, this is a paid app.
Any suggestions welcome
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